Snake Charmer
Senior Member
- Joined
- Jul 4, 2021
- Messages
- 1,127
- Reaction score
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- Your Mercedes
- S211 E320 CDI 2004
My 2004 S211 E320cdi has been flashing up E Service due and the number of days keeps changing or not showing at start up, is this normal? I have seen 5, 9, 23 and 30 days so far, does anyone know what the ECU uses as a data reference? Cheers.